web_developer's blog

By web_developer, history, 4 years ago, In English

Hello codeforces! I want help with this Codeforces Round #497 (Div. 1) A problem...Even after looking at the editorial I didn't understand why it's answer is n-x. Please help me understand.....Thanks!!

Upd: I don't care about downvotes, I just need an answer.

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4 years ago, # |
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75730848 This can help you...